package com.king.utils;

/**
 * @ClassName: StringUtils
 * @Description: TODO
 * @Author: wangchangyong
 * @Date: 2020/4/7 23:27
 * @Version: 1.0.0
 **/
public class StringUtils {

    public static String toLowerCaseFirstOne(String s){
        if(Character.isLowerCase(s.charAt(0))) {
            return s;
        } else {
            return (new StringBuilder()).append(Character.toLowerCase(s.charAt(0))).append(s.substring(1)).toString();
        }
    }
}
